From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [12/14] dmaengine: dma-jz4780: Use dma_set_residue() From: Paul Cercueil Message-Id: <20180703123214.23090-13-paul@crapouillou.net> Date: Tue, 3 Jul 2018 14:32:12 +0200 To: Vinod Koul , Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , James Hogan , Zubair Lutfullah Kakakhel Cc: Mathieu Malaterre , Daniel Silsby , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org List-ID: RnJvbTogRGFuaWVsIFNpbHNieSA8ZGFuc2lsc2J5QGdtYWlsLmNvbT4KClRoaXMgaXMgdGhlIHN0 YW5kYXJkIG1ldGhvZCBwcm92aWRlZCBieSBkbWFlbmdpbmUgaGVhZGVyLgoKU2lnbmVkLW9mZi1i eTogRGFuaWVsIFNpbHNieSA8ZGFuc2lsc2J5QGdtYWlsLmNvbT4KLS0tCiBkcml2ZXJzL2RtYS9k bWEtano0NzgwLmMgfCA5ICsrKysrLS0tLQogMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygr KSwgNCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS9kbWEtano0NzgwLmMg Yi9kcml2ZXJzL2RtYS9kbWEtano0NzgwLmMKaW5kZXggNjkwYjg1Mzk3N2IyLi4wODRiN2E0NmE2 OGQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZG1hL2RtYS1qejQ3ODAuYworKysgYi9kcml2ZXJzL2Rt YS9kbWEtano0NzgwLmMKQEAgLTYzMyw2ICs2MzMsNyBAQCBzdGF0aWMgZW51bSBkbWFfc3RhdHVz IGp6NDc4MF9kbWFfdHhfc3RhdHVzKHN0cnVjdCBkbWFfY2hhbiAqY2hhbiwKIAlzdHJ1Y3Qgdmly dF9kbWFfZGVzYyAqdmRlc2M7CiAJZW51bSBkbWFfc3RhdHVzIHN0YXR1czsKIAl1bnNpZ25lZCBs b25nIGZsYWdzOworCXVuc2lnbmVkIGxvbmcgcmVzaWR1ZSA9IDA7CiAKIAlzdGF0dXMgPSBkbWFf Y29va2llX3N0YXR1cyhjaGFuLCBjb29raWUsIHR4c3RhdGUpOwogCWlmICgoc3RhdHVzID09IERN QV9DT01QTEVURSkgfHwgKHR4c3RhdGUgPT0gTlVMTCkpCkBAIC02NDMsMTMgKzY0NCwxMyBAQCBz dGF0aWMgZW51bSBkbWFfc3RhdHVzIGp6NDc4MF9kbWFfdHhfc3RhdHVzKHN0cnVjdCBkbWFfY2hh biAqY2hhbiwKIAl2ZGVzYyA9IHZjaGFuX2ZpbmRfZGVzYygmanpjaGFuLT52Y2hhbiwgY29va2ll KTsKIAlpZiAodmRlc2MpIHsKIAkJLyogT24gdGhlIGlzc3VlZCBsaXN0LCBzbyBoYXNuJ3QgYmVl biBwcm9jZXNzZWQgeWV0ICovCi0JCXR4c3RhdGUtPnJlc2lkdWUgPSBqejQ3ODBfZG1hX2Rlc2Nf cmVzaWR1ZShqemNoYW4sCisJCXJlc2lkdWUgPSBqejQ3ODBfZG1hX2Rlc2NfcmVzaWR1ZShqemNo YW4sCiAJCQkJCXRvX2p6NDc4MF9kbWFfZGVzYyh2ZGVzYyksIDApOwogCX0gZWxzZSBpZiAoY29v a2llID09IGp6Y2hhbi0+ZGVzYy0+dmRlc2MudHguY29va2llKSB7Ci0JCXR4c3RhdGUtPnJlc2lk dWUgPSBqejQ3ODBfZG1hX2Rlc2NfcmVzaWR1ZShqemNoYW4sIGp6Y2hhbi0+ZGVzYywKKwkJcmVz aWR1ZSA9IGp6NDc4MF9kbWFfZGVzY19yZXNpZHVlKGp6Y2hhbiwganpjaGFuLT5kZXNjLAogCQkJ CQlqemNoYW4tPmN1cnJfaHdkZXNjICsgMSk7Ci0JfSBlbHNlCi0JCXR4c3RhdGUtPnJlc2lkdWUg PSAwOworCX0KKwlkbWFfc2V0X3Jlc2lkdWUodHhzdGF0ZSwgcmVzaWR1ZSk7CiAKIAlpZiAodmRl c2MgJiYganpjaGFuLT5kZXNjICYmIHZkZXNjID09ICZqemNoYW4tPmRlc2MtPnZkZXNjCiAJICAg ICYmIGp6Y2hhbi0+ZGVzYy0+c3RhdHVzICYgKEpaX0RNQV9EQ1NfQVIgfCBKWl9ETUFfRENTX0hM VCkpCg==